> > > > Dr. David O'Brien, MD, MS
Dr. David Raymond O'Brien MD and MS is a male Family Practitioner, has 26 years of experience and practices in Family Medicine.
Dr. David O'Brien has 2 office locations.
St. Mary Medical Center
18300 US Highway 18
Apple Valley, CA 92307

Phone Number
Locations and availability (2)
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

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Education & Awards

Dr. O'Brien graduated from University of California at Davis.


Dr. O'Brien has 3 hospital affiliations:

  • St. Mary Medical Center 
  • General Hospital 
  • ST Joseph Hospital-Eureka 

Accepted Insurance Plans

Dr. O'Brien accepts these health insurances in at least one office:

  • Unicare - 12 plans
  • Anthem Blue Cross - 9 plans

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Additional Information
Where does Dr. David R. O'Brien practice?
Dr. David O'Brien practices Family Medicine near Apple Valley, CA.
Additional practice locations include: Eureka, CA.
See Apple Valley Family Physicians.